Sierra Club is one of the oldest and largest grassroots environmental organizations in the US, with a mission to explore, enjoy, and protect the wild places of the earth. They have community chapters throughout the US and Canada, each participating in local change

They are one of the world’s largest environmental organizations working in over 32 countries and have been able to protect more than 119 million acres of land, as well as rivers and marine areas. Their vision is to leave a sustainable world for future generations.

Rainforest Alliance is a conservation NGO founded in 1987 that aims to conserve biodiversity and ensure sustainable livelihoods by transforming land-use practices, business practices and consumer behavior. Their certification and verification system creates environmental and social standards that farms, forestry and tourism companies must adhere to.

ForestEthics is a newer non-profit, environmental organization with locations in Canada and US. Its mission is to protect endangered forests, wildlife and human well-being. They have been able to secure the protection of over 65 million acres of Endangered Forests by working with legislations and companies.

Conservation International is a global non-profit organization whose mission is to build upon a foundation of science and partnerships to empower societies to responsibly and sustainably care for nature, global biodiversity and for the well-being of humanity.

Greenpeace is an independent global campaigning organization with projects in over 40 countries. Its purpose is to change attitudes and behaviors to protect and conserve the environment while promoting non-violence. Founded in 1971 the organization has grown to include over 2.8 million supporters.